Income Planner

Pre-Deploy Audit Checklist

Last Updated: December 18, 2025
Project: Freelance Income Planner
Version: 1.4.0

1. Code Quality & Standards

TypeScript

  • No TypeScript errors (npm run build)
  • All types properly defined (no any types)
  • Strict mode enabled in tsconfig.json
  • All imports resolve correctly

ESLint & Prettier

  • No ESLint errors (npm run lint)
  • Code formatted with Prettier (npm run format)
  • No console.log statements in production code
  • No commented-out code blocks

Code Organization

  • Components follow SRP (Single Responsibility Principle)
  • No duplicate logic (DRY principle applied)
  • Proper separation of concerns (UI, state, calculations)
  • Feature-based folder structure maintained

2. Functionality Testing

Snapshot Mode

  • Hourly rate input validates and clamps (50-5000)
  • Hours per week validates and clamps (0-60)
  • Vacation weeks validates and clamps (0-12)
  • Tax rate validates and clamps (0-50%)
  • Tax mode toggle works (Simple/Smart)
  • Currency toggle works (MXN/USD)
  • Language toggle works (EN/ES)
  • Summary cards display correct calculations
  • Reality Check cards render (effective hourly rate, unbillable %, runway)
  • Target Annual Net goal insight shows ahead/behind + required rate when behind
  • Rate Benchmark panel renders (static example data)
  • Rate Benchmark "You" marker updates with inputs
  • Theme toggle affects all Snapshot UI (no hardcoded colors)

Forecast Mode

  • View toggle switches between Snapshot/Forecast
  • Three scenarios display with correct defaults
  • Scenario inputs validate and clamp properly
  • Range visualization shows correct income spread
  • Monthly projection chart renders correctly
  • Pessimistic/Realistic/Optimistic series all render in charts and legends
  • Seasonal patterns work (Steady/Q4 Heavy/Summer Slow)
  • Insights generate correctly for all scenarios
  • Runway projection chart renders when monthly need + savings are set
  • Goal insight compares realistic scenario net vs targetAnnualNet

Calculations

  • calculateIncome() returns correct values
  • Daily/Weekly/Monthly/Annual calculations accurate
  • Gross and net income calculated correctly
  • Tax calculations applied properly
  • Edge cases handled (0 hours, max values)
  • No division by zero errors

State Management

  • Zustand store updates correctly
  • localStorage persists user inputs
  • State rehydrates on page reload
  • No state mutation (immutability maintained)
  • Actions validate inputs before setting

3. UI/UX

Responsive Design

  • Mobile layout works (<480px)
  • Tablet layout works (480-768px)
  • Desktop layout works (>768px)
  • Charts responsive on all screen sizes
  • No horizontal scroll on mobile
  • Touch targets minimum 44x44px

Accessibility

  • Semantic HTML used throughout
  • All inputs have labels
  • Focus states visible
  • Keyboard navigation works
  • Color contrast meets WCAG AA (7:1+)
  • Screen reader friendly

Branding

  • Orange accent (#FF6A3D) used consistently
  • Pastel chart colors use CSS variables (--chart-pessimistic, --chart-realistic, --chart-optimistic)
  • CushLabs branding dot present
  • Space Grotesk font for headings
  • Source Serif 4 font for body
  • Theme system works (system preference default; manual toggle persists)

User Feedback

  • Toast notifications work
  • Loading states present where needed
  • Error states handled gracefully
  • Success states clear

4. Performance

Build

  • Build completes without errors
  • Bundle size reasonable (<200KB for main page)
  • No unused dependencies
  • Tree shaking working

Runtime

  • No memory leaks
  • Charts render smoothly
  • Input changes debounced appropriately
  • No unnecessary re-renders
  • Calculations memoized where appropriate

Assets

  • Fonts loaded efficiently
  • No unused CSS
  • Tailwind purged properly

5. Security & Privacy

Client-Side

  • No sensitive data in localStorage
  • No API keys in client code
  • FX calls only go to internal /api/fx (no direct calls from client to third-party)
  • No console.log with user data
  • XSS prevention in place

Data Handling

  • All calculations client-side only
  • No data sent to external servers
  • localStorage data non-sensitive
  • No tracking without consent

6. Documentation

Code Documentation

  • Complex functions have JSDoc comments
  • Calculation formulas documented
  • Type interfaces documented
  • Store structure documented

Project Documentation

  • README.md up to date
  • LICENSE file present
  • docs/PRD.md reflects current state
  • docs/ROADMAP.md reflects current state
  • docs/BRAND.md reflects current state
  • docs/DESIGN.md reflects current state

7. Localization (Phase 4)

English (EN)

  • All UI text translated
  • Currency formatting correct
  • Number formatting correct
  • Date formatting correct (if applicable)

Spanish (ES)

  • All UI text translated
  • Currency formatting correct (MXN)
  • Number formatting correct
  • Culturally appropriate phrasing

i18n System

  • Translation keys organized
  • No hardcoded strings in components
  • Language switching works
  • Fallback to English works

8. Browser Compatibility

Modern Browsers

  • Chrome/Edge (latest)
  • Firefox (latest)
  • Safari (latest)
  • Mobile Safari (iOS)
  • Chrome Mobile (Android)

Features

  • localStorage supported
  • Flexbox/Grid layouts work
  • CSS custom properties work
  • ES6+ features transpiled if needed

9. Error Handling

Calculation Errors

  • Invalid inputs handled gracefully
  • Division by zero prevented
  • Overflow/underflow handled
  • Error messages user-friendly

State Errors

  • localStorage failures handled
  • State corruption prevented
  • Fallback to defaults works

UI Errors

  • Chart rendering errors caught
  • Component errors don't crash app
  • Error boundaries in place

10. Git & Deployment

Version Control

  • All changes committed
  • Commit messages descriptive
  • No sensitive files in repo
  • .gitignore properly configured

GitHub

  • Pushed to main branch
  • README displays correctly
  • LICENSE visible
  • Repository description set

Deployment Ready

  • Environment variables documented
  • EXCHANGE_RATE_API_KEY set in Vercel Environment Variables (Production; optionally Preview/Development)
  • Build command works
  • Start command works
  • Port configuration correct

11. Final Checks

Pre-Deploy

  • Run full test suite (when implemented)
  • Manual smoke test all features
  • Check on multiple devices
  • Verify analytics setup (if applicable)

Post-Deploy

  • Verify production build works
  • Check all routes accessible
  • Test on production domain
  • Monitor for errors

Known Issues / Technical Debt

  • Rate Benchmark is static example data (planned future enhancement)
  • No unit tests yet (future enhancement)
  • No E2E tests yet (future enhancement)
  • Chart could use more customization options
  • No export to PDF/CSV yet (future feature)

Sign-Off

Developer: Robert Cushman
Date: **_**
Status: ⬜ Ready for Deploy | ⬜ Needs Work

Notes:

Quick Commands

# Build check
npm run build

# Lint check
npm run lint

# Format code
npm run format

# Start dev server
npm run dev

# Start production server (after a successful build)
npm start

# Vercel deploy
vercel --prod

Remember: This is a living document. Update it as the project evolves!